8204895: Better icon support

Reviewed-by: prr, mschoene, aghaisas, rhalade

src/solaris/native/sun/awt/awt_UNIXToolkit.c

 /*
- * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -209,6 +209,7 @@ Java_sun_awt_UNIXToolkit_load_1stock_1icon(JNIEnv *env, jobject this,
         detail_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
                 sizeof(char), len + 1);
         if (detail_str == NULL) {
+            free(stock_id_str);
             JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
             return JNI_FALSE;
         }